Dell OptiPlex GX280 User Manual
Page 278
1 heat sink and fan shroud assembly
2 heat sink assembly bracket
3 captive screw housing (2)
10. Close the computer cover.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
11. Connect your computer and devices to electrical outlets, and turn them on.
After you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the following
message to appear on the screen at the next computer start-up:
ALERT! Cover was previously removed.
12. Reset the chassis intrusion detector by changing Chassis Intrusion to On or On-Silent.
NOTE:
If an admin password has been assigned by someone else, contact your network administrator for information
on resetting the chassis intrusion detector.